:root{
  --paper:#f7f2e8; --paper-2:#efe7d6; --ink:#1f1c18; --ink-2:#5c554b; --line:#d9cfbd;
  --accent:#ff6a3d; --accent-ink:#b8401b; --teal:#2f7d74; --card:#fffdf8;
  --radius:18px; --max:1120px;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --paper:#16140f; --paper-2:#1f1c16; --ink:#f3ede1; --ink-2:#b4ab9b; --line:#3a352c;
    --accent:#ff7d55; --accent-ink:#ffb194; --teal:#6cc2b6; --card:#1d1a14;
  }
}
:root[data-theme="dark"]{
  --paper:#16140f; --paper-2:#1f1c16; --ink:#f3ede1; --ink-2:#b4ab9b; --line:#3a352c;
  --accent:#ff7d55; --accent-ink:#ffb194; --teal:#6cc2b6; --card:#1d1a14;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--paper);color:var(--ink);font-family:"Bricolage Grotesque","Noto Sans TC",system-ui,sans-serif;line-height:1.7;-webkit-font-smoothing:antialiased}
body.zh{font-family:"Noto Sans TC","Bricolage Grotesque",system-ui,sans-serif}
a{color:inherit}
img{max-width:100%;display:block}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}

/* nav */
nav{position:sticky;top:0;z-index:10;background:color-mix(in srgb,var(--paper) 88%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
nav .wrap{display:flex;align-items:center;gap:24px;height:64px}
.logo{font-family:"Bricolage Grotesque",sans-serif;font-weight:800;font-size:1.5rem;letter-spacing:-.03em;text-decoration:none}
.logo span{color:var(--accent)}
nav ul{display:flex;gap:22px;list-style:none;margin-left:auto;font-size:.95rem}
nav ul a{text-decoration:none;color:var(--ink-2)}
nav ul a:hover{color:var(--ink)}
.lang{border:1.5px solid var(--ink);border-radius:999px;padding:4px 14px;font-size:.85rem;font-weight:700;text-decoration:none}
@media (max-width:760px){nav ul{display:none}.lang{margin-left:auto}}

/* hero */
.hero{padding:72px 0 56px}
.hero .wrap{display:grid;grid-template-columns:1.25fr .75fr;gap:40px;align-items:center}
.kicker{display:inline-block;font-size:.85rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--accent-ink);background:color-mix(in srgb,var(--accent) 14%,transparent);padding:4px 12px;border-radius:999px;margin-bottom:20px}
h1{font-size:clamp(2.3rem,5.6vw,4.2rem);line-height:1.12;letter-spacing:-.02em;font-weight:800}
h1 em{font-style:normal;color:var(--accent)}
.lead{font-size:1.15rem;color:var(--ink-2);margin:22px 0 30px;max-width:36em}
.btns{display:flex;flex-wrap:wrap;gap:12px}
.btn{display:inline-block;padding:13px 24px;border-radius:999px;font-weight:700;text-decoration:none;border:2px solid var(--ink)}
.btn.primary{background:var(--ink);color:var(--paper)}
.btn:hover{transform:translateY(-1px)}
.hero-art{position:relative}
.hero-art img{width:100%;max-width:340px;margin:0 auto;filter:drop-shadow(0 18px 30px rgba(0,0,0,.12))}
.bubble{position:absolute;top:4%;right:0;background:var(--card);border:2px solid var(--ink);border-radius:16px;padding:8px 14px;font-weight:700;font-size:.95rem;transform:rotate(4deg)}
@media (max-width:760px){.hero .wrap{grid-template-columns:1fr}.hero-art img{max-width:220px}.hero{padding:44px 0 32px}}

/* stats */
.stats{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--paper-2)}
.stats .wrap{display:grid;grid-template-columns:repeat(4,1fr)}
.stat{padding:26px 16px;border-left:1px solid var(--line)}
.stat:first-child{border-left:0}
.stat b{display:block;font-family:"Bricolage Grotesque",sans-serif;font-size:2rem;font-weight:800;line-height:1.1}
.stat span{color:var(--ink-2);font-size:.92rem}
@media (max-width:760px){.stats .wrap{grid-template-columns:1fr 1fr}.stat:nth-child(3){border-left:0}.stat{border-top:1px solid var(--line)}.stat:nth-child(-n+2){border-top:0}}

/* sections */
section{padding:88px 0}
.eyebrow{font-weight:700;color:var(--teal);font-size:.9rem;letter-spacing:.06em;text-transform:uppercase;margin-bottom:10px}
h2{font-size:clamp(1.8rem,3.6vw,2.6rem);line-height:1.2;letter-spacing:-.01em;font-weight:800;max-width:22em}
.sub{color:var(--ink-2);margin-top:14px;max-width:40em;font-size:1.05rem}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:44px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:40px}
.card{background:var(--card);border:1.5px solid var(--line);border-radius:var(--radius);padding:28px}
.card .num{font-family:"Bricolage Grotesque",sans-serif;font-weight:800;color:var(--accent);font-size:.95rem}
.card h3{font-size:1.3rem;margin:8px 0 10px;line-height:1.35}
.card p,.card li{color:var(--ink-2);font-size:.98rem}
.card ul{margin-top:12px;padding-left:1.1em}
.card ul li{margin:4px 0}
.card .more{display:inline-block;margin-top:16px;font-weight:700;color:var(--accent-ink);text-decoration:none}
@media (max-width:860px){.grid3,.grid2{grid-template-columns:1fr}}

.alt{background:var(--paper-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
.tag{border:1.5px solid var(--ink);border-radius:999px;padding:4px 14px;font-size:.9rem;font-weight:600}

/* pipeline */
.pipe{display:grid;grid-template-columns:repeat(6,1fr);gap:10px;margin-top:40px;counter-reset:s}
.pipe div{background:var(--card);border:1.5px solid var(--line);border-radius:14px;padding:16px 14px;font-size:.92rem;position:relative}
.pipe div b{display:block;font-size:1rem;margin-bottom:4px;color:var(--ink)}
.pipe div{color:var(--ink-2)}
@media (max-width:860px){.pipe{grid-template-columns:1fr 1fr}}

/* steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:40px}
.step{border-top:3px solid var(--ink);padding-top:16px}
.step b{display:block;font-size:1.1rem;margin-bottom:6px}
.step p{color:var(--ink-2);font-size:.95rem}
@media (max-width:860px){.steps{grid-template-columns:1fr 1fr}}

.built{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:28px}
.built div{border:1.5px dashed var(--line);border-radius:12px;padding:14px;font-size:.93rem;color:var(--ink-2)}
.built div b{display:block;color:var(--ink);font-size:.98rem}
@media (max-width:860px){.built{grid-template-columns:1fr 1fr}}

/* channel feature */
.feature{display:grid;grid-template-columns:200px 1fr;gap:32px;align-items:center;background:var(--card);border:2px solid var(--ink);border-radius:24px;padding:32px;margin-top:40px}
.feature img{width:180px}
.feature h3{font-size:1.5rem;line-height:1.3}
.feature p{color:var(--ink-2);margin:8px 0 16px}
@media (max-width:760px){.feature{grid-template-columns:1fr;text-align:left}.feature img{width:130px}}

/* about */
dl.facts{display:grid;grid-template-columns:160px 1fr;gap:12px 20px;margin-top:28px;font-size:1rem}
dl.facts dt{color:var(--ink-2)}
dl.facts dd{font-weight:600}
@media (max-width:560px){dl.facts{grid-template-columns:1fr;gap:2px}dl.facts dd{margin-bottom:12px}}

/* contact */
.contact{background:var(--ink);color:var(--paper);border-radius:28px;padding:56px 40px;text-align:center}
.contact h2{margin:0 auto;color:var(--paper)}
.contact p{color:color-mix(in srgb,var(--paper) 75%,transparent);margin:16px auto 28px;max-width:34em}
.contact .btn{border-color:var(--paper)}
.contact .btn.primary{background:var(--accent);border-color:var(--accent);color:#1f1c18}
.contact .btn:not(.primary){color:var(--paper)}
footer{padding:36px 0 48px;color:var(--ink-2);font-size:.88rem}
footer .wrap{display:flex;flex-wrap:wrap;gap:12px 24px;justify-content:space-between}

/* v2 additions */
:root{--line-green:#06c755}
.btn.line{background:var(--line-green);border-color:var(--line-green);color:#fff}
.nav-line{background:var(--line-green);color:#fff;border-radius:999px;padding:6px 14px;font-size:.88rem;font-weight:700;text-decoration:none;white-space:nowrap}
.paths{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:28px 0 22px}
.path{display:block;text-decoration:none;background:var(--card);border:2px solid var(--ink);border-radius:18px;padding:18px 20px;transition:transform .15s}
.path:hover{transform:translateY(-2px)}
.path small{display:block;color:var(--accent-ink);font-weight:700;font-size:.85rem}
.path b{display:block;font-size:1.2rem;margin:2px 0 4px}
.path span{color:var(--ink-2);font-size:.92rem}
@media (max-width:560px){.paths{grid-template-columns:1fr}}
.pains{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:32px}
.pain{background:var(--card);border:1.5px solid var(--line);border-radius:14px;padding:18px 20px 18px 50px;position:relative;font-size:1.02rem}
.pain::before{content:"✓";position:absolute;left:18px;top:16px;width:22px;height:22px;border-radius:6px;background:var(--accent);color:#fff;font-size:.8rem;font-weight:800;display:grid;place-items:center}
@media (max-width:760px){.pains{grid-template-columns:1fr}}
.price{display:flex;align-items:baseline;gap:8px;flex-wrap:wrap;margin:6px 0 12px}
.price b{font-family:"Bricolage Grotesque",sans-serif;font-size:1.7rem;font-weight:800;color:var(--ink)}
.price span{color:var(--ink-2);font-size:.9rem}
.meta{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:10px}
.meta i{font-style:normal;font-size:.8rem;font-weight:700;background:var(--paper-2);border:1px solid var(--line);border-radius:999px;padding:2px 10px;color:var(--ink-2)}
.take{margin-top:12px;padding-top:12px;border-top:1px dashed var(--line);font-size:.93rem;color:var(--ink-2)}
.take b{color:var(--ink)}
.note{margin-top:22px;background:color-mix(in srgb,var(--teal) 10%,transparent);border-left:4px solid var(--teal);border-radius:8px;padding:14px 18px;color:var(--ink-2);font-size:.95rem}
.faq{margin-top:32px;border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line);padding:16px 4px}
.faq summary{cursor:pointer;font-weight:700;font-size:1.05rem;list-style:none}
.faq summary::after{content:"+";float:right;color:var(--ink-2)}
.faq details[open] summary::after{content:"−"}
.faq p{color:var(--ink-2);margin-top:8px}
.qr{display:flex;gap:28px;align-items:center;justify-content:center;flex-wrap:wrap}
.qr img{width:150px;height:150px;border-radius:12px;background:#fff;padding:8px}
.float-line{display:none}
@media (max-width:760px){
  .float-line{display:block;position:fixed;right:16px;bottom:16px;z-index:20;background:var(--line-green);color:#fff;font-weight:800;border-radius:999px;padding:12px 18px;text-decoration:none;box-shadow:0 8px 24px rgba(0,0,0,.25)}
  footer{padding-bottom:90px}
}
@media (min-width:761px){.nav-line{margin-left:0}}
@media (max-width:760px){.nav-line{display:none}}
.path.wide{grid-column:1 / -1}